{"id":"CVE-2026-72929","title":"Improper validation of integrity check value in Windows Installer allows an authorized attacker to elevate privileges locally.","summary":"Improper validation of integrity check value in Windows Installer allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-354"],"vendor":"Microsoft","product":"Windows 11 version 23H2","affected":["windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9445","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9445","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2954","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33438"],"published":"2026-09-08","updated":"2026-09-09","sourceUpdated":"2026-09-09T10:20:54.887","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72929","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72929","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-09T04:24:26.238418Z"},"ingestedAt":"2026-09-08T19:08:49.624Z","epss":0.00219,"epssPercentile":0.12683,"slug":"CVE-2026-72929","body":"## Overview\n\nImproper validation of integrity check value in Windows Installer allows an authorized attacker to elevate privileges locally.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}